On the chromatic number of an infinitesimal plane layer

A. Ya Kanel-Belov; V. A. Voronov; D. D. Cherkashin

doi:10.1090/spmj/1515

On the chromatic number of an infinitesimal plane layer

A. Ya Kanel-Belov, V. A. Voronov, D. D. Cherkashin

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

This paper is devoted to a natural generalization of the problem on the chromatic number of the plane. The chromatic number of the spaces ℝⁿ × [0, ε]^k is considered. It is proved that 5 ≤ χ(ℝ² × [0, ε]) ≤ 7 and 6 ≤ χ(ℝ² × [0, ε]²) ≤ 7 for ε > 0 sufficiently small. Also, some natural questions arising from these considerations are posed.

Original language	English
Pages (from-to)	761-775
Number of pages	15
Journal	St. Petersburg Mathematical Journal
Volume	29
Issue number	5
DOIs	https://doi.org/10.1090/spmj/1515
State	Published - 2018
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2018 American Mathematical Society.

Keywords

Chromatic number of Euclidean spaces
Chromatic number of the plane

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10.1090/spmj/1515

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On the chromatic number of an infinitesimal plane layer

Abstract

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Keywords

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